diff --git a/CHANGELOG.md b/CHANGELOG.md
index 724ef6f..9531ee9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,8 +18,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `ProtocolError::verify_messages_constitute_error()` now takes messages and mapping of messages by value. ([#76])
 
 
+### Added
+
+- `impl From<NormalBroadcastError> for ProtocolValidationError` (to match what already exists for other messages). ([#77])
+
+
 [#75]: https://github.com/entropyxyz/manul/pull/75
 [#76]: https://github.com/entropyxyz/manul/pull/76
+[#77]: https://github.com/entropyxyz/manul/pull/77
 
 
 ## [0.1.0] - 2024-11-19
diff --git a/manul/src/protocol/errors.rs b/manul/src/protocol/errors.rs
index 42d9cab..6a34d89 100644
--- a/manul/src/protocol/errors.rs
+++ b/manul/src/protocol/errors.rs
@@ -204,6 +204,12 @@ impl From<EchoBroadcastError> for ProtocolValidationError {
     }
 }
 
+impl From<NormalBroadcastError> for ProtocolValidationError {
+    fn from(error: NormalBroadcastError) -> Self {
+        Self::InvalidEvidence(format!("Failed to deserialize normal broadcast: {error:?}"))
+    }
+}
+
 impl From<LocalError> for ProtocolValidationError {
     fn from(error: LocalError) -> Self {
         Self::Local(error)